Upgrade storage for Thinkpad T440s with SSD m.2 sata 2242 - YouTube
Lenovo ThinkPad T440 Disassembly | MyFixGuide.com
Amazon.com: Lenovo Thinkpad T440 Ultrabook 14in HD LED-backlit High Performance Business Notebook, Intel Core i5-4300U up to 2.9GHz, 8GB RAM, 128GB SSD, USB 3.0, Windows 10 Professional (Renewed) : Electronics
ThinkPad T440, T440s, T450, T450s - Hard Disk Drive and Solid State Drive Replacement - YouTube